CN209976473U - Shell knife for full-rotation casing pipe machine - Google Patents

Abstract

The utility model relates to the technical field of pile foundation engineering accessories, in particular to a shell cutter for a full-rotation casing pipe machine, which can reduce the cracking condition if strong impact alloy is met in the construction process and prevent the whole cutter from being rapidly worn to influence the whole construction after the alloy cracks; the cutter can rotate left and right for construction; the steel pipe comprises a steel pipe and a plurality of groups of steel handles, wherein a plurality of groups of installation fixing through holes are uniformly distributed on the circumference of the bottom end of the steel pipe, installation clamping grooves matched with the thickness of the steel pipe are formed in the top ends of the plurality of groups of steel handles, bolt through holes are correspondingly formed in the plurality of groups of installation clamping grooves, the plurality of groups of steel handles are uniformly distributed on the circumference of the installation clamping grooves and clamped on the outer wall of the bottom end of the steel pipe, and the plurality of groups of steel handles; the alloy steel comprises a plurality of groups of alloy groups, wherein each group of alloy groups are respectively welded to the bottom end of each group of steel handles at intervals, and the number of alloys in each group of alloy groups is five; each group of alloy groups is welded to the bottom end of each group of steel handles in a centrosymmetric distribution manner.

Description

Shell knife for full-rotation casing pipe machine

Technical Field

The utility model relates to a pile foundation engineering auxiliary device's technical field especially relates to a shell sword for full-circle slewing casing machine.

Background

As is well known, a shell cutter for a full-rotary casing machine is an auxiliary device for pile pulling and piling operations mounted on the full-rotary casing machine, and is widely used in the field of pile foundation engineering; the shell knife for the existing full-rotation casing pipe machine comprises a steel pipe and a plurality of groups of steel handles, wherein a plurality of groups of installation fixing through holes are uniformly distributed on the circumference of the bottom end of the steel pipe, installation clamping grooves matched with the thickness of the steel pipe are formed in the top ends of the plurality of groups of steel handles, bolt through holes are correspondingly formed in the plurality of groups of installation clamping grooves, the plurality of groups of steel handles are uniformly distributed on the circumference through the installation clamping grooves and clamped on the outer wall of the bottom end of the steel pipe, the plurality of groups of steel handles are fixedly installed on the steel pipe through bolts, and; when the shell cutter for the existing full-rotation casing machine is used, firstly, a steel pipe installation and use method is installed on the full-rotation casing machine, then, a fixing frame of the full-rotation casing machine is arranged in an area needing pile pulling and piling operation, the full-rotation casing machine is connected with an external power supply, and the full-rotation casing machine adopts hydraulic power to enable the steel pipe to rotate and downwards press alloy on a plurality of groups of steel handles to cut and dig obstacles; when the shell cutter for the existing full-rotation casing machine is used, the fact that the bottom end of each group of steel handles is made of a single whole piece of alloy is found, the alloy can crack if strong impact is applied in the construction process, the whole cutter can be quickly worn after the alloy cracks, the construction cannot be continued quickly, and the use reliability is low; and the existing cutter adopts a unidirectional design, so that the full-rotation jacketing machine used during construction can only rotate in one direction, and cannot rotate left and right, thereby causing higher use limitation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a tool for reducing the cracking of the alloy if strong impact is applied during the construction process, preventing the whole tool from being rapidly worn to influence the whole construction after the alloy is cracked, and improving the use reliability; and can make the cutter can control the rotatory construction, reduce the shell sword for full-circle swinging casing machine of use limitation.

The utility model discloses a shell sword for full-revolving casing pipe machine, including steel pipe and multiunit steel handle, the bottom equipartition circumference of steel pipe is provided with multiunit installation fixed through-hole, and the top of multiunit steel handle all is provided with the installation draw-in groove that matches with steel pipe thickness, all correspond on the multiunit installation draw-in groove to be provided with the bolt through-hole, the multiunit steel handle clamps on the bottom outer wall of steel pipe through the installation draw-in groove equipartition circumference, and multiunit steel handle all passes through bolt fixed mounting on the steel pipe; the alloy steel handle comprises a plurality of groups of alloy groups, wherein each group of alloy groups are respectively welded to the bottom end of each group of steel handle at intervals, and the number of alloys in each group of alloy groups is five; and each group of alloy groups is welded to the bottom end of each group of steel handles in a centrosymmetric distribution manner.

Compared with the prior art, the beneficial effects of the utility model are that: the five groups of alloys are welded to the bottom end of the steel handle at intervals, so that even if one group of alloys is damaged by collision, other alloys can continue to work, the service life of the cutter is greatly prolonged, the cracking condition caused by strong collision of the alloys in the construction process is reduced, the influence on the overall construction caused by the rapid abrasion of the overall cutter after the alloys are cracked is prevented, and the use reliability is improved; and can adopt central symmetry to distribute and weld the bottom to every group steel handle through five groups of alloys, owing to adopt central symmetry to distribute, so can control the rotation of both directions, improve the efficiency of construction to can make the cutter can control the rotatory construction, reduce and use the limitation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the steel handle and the five-group alloy welding distribution of the present invention;

fig. 3 is a schematic view of the local enlarged structure at a position of the present invention;

in the drawings, the reference numbers: 1. a steel pipe; 2. a steel shank; 3. and (3) alloy group.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the utility model discloses a shell sword for full-circle rotary casing machine, 1, a shell sword for full-circle rotary casing machine, including steel pipe 1 and multiunit steel handle 2, the bottom equipartition circumference of steel pipe 1 is provided with multiunit installation fixed through-hole, and the top of multiunit steel handle 2 all is provided with the installation draw-in groove that matches with steel pipe 1 thickness, all correspond on the multiunit installation draw-in groove to be provided with the bolt through-hole, multiunit steel handle 2 clamps on the bottom outer wall of steel pipe 1 through the circumference of installation draw-in groove equipartition, and multiunit steel handle 2 all passes through bolt fixed mounting on steel pipe 1; the steel bar comprises a plurality of groups of alloy groups 3, wherein each group of alloy groups 3 are respectively welded to the bottom end of each group of steel bar 2 at intervals, and the number of alloys in each group of alloy groups 3 is five; each group of alloy groups 3 is welded to the bottom end of each group of steel handles 2 in a centrosymmetric distribution manner; the five groups of alloys are welded to the bottom end of the steel handle at intervals, so that even if one group of alloys is damaged by collision, other alloys can continue to work, the service life of the cutter is greatly prolonged, the cracking condition caused by strong collision of the alloys in the construction process is reduced, the influence on the overall construction caused by the rapid abrasion of the overall cutter after the alloys are cracked is prevented, and the use reliability is improved; and can adopt central symmetry to distribute and weld the bottom to every group steel handle through five groups of alloys, owing to adopt central symmetry to distribute, so can control the rotation of both directions, improve the efficiency of construction to can make the cutter can control the rotatory construction, reduce and use the limitation.

The utility model discloses a shell sword for full-circle slewing jacketing machine, it is at work, install steel pipe installation application method on full-circle slewing jacketing machine at first, then establish full-circle slewing jacketing machine mount in the region of required pile pulling pile driving operation, switch on full-circle slewing jacketing machine and external power, adopt hydraulic power through full-circle slewing jacketing machine to make the steel pipe rotate and push down the cutting through the alloy on the multiunit steel handle and excavate the barrier, weld to the bottom of steel handle through five group alloy interval distributions, when a set of alloy collision damages, other alloys can continue to work, greatly improve cutter life, reduce in the work progress if meet strong striking alloy and can produce the condition of bursting apart, prevent that the alloy from leading to whole cutter rapid wear and influencing whole construction after bursting apart, and can adopt central symmetric distribution to weld to the bottom of every group steel handle through five group alloys, through adopting central symmetric distribution, the cutter can be rotated left and right.

Moreover, the terms "mounted," "disposed," "connected," and "nested" are to be construed broadly and may, for example, be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; they may be directly connected or indirectly connected through an intermediate or internal communication between two devices, elements or components, and the specific meanings of the above terms in the present invention should be understood by those skilled in the art according to the specific situation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (1)

1. A shell cutter for a full-rotation casing pipe machine comprises a steel pipe (1) and a plurality of groups of steel handles (2), wherein a plurality of groups of installation fixing through holes are uniformly distributed on the circumference of the bottom end of the steel pipe (1), installation clamping grooves matched with the thickness of the steel pipe (1) are formed in the top ends of the plurality of groups of steel handles (2), bolt through holes are correspondingly formed in the plurality of groups of installation clamping grooves, the plurality of groups of steel handles (2) are uniformly distributed on the circumference of the installation clamping grooves and clamped on the outer wall of the bottom end of the steel pipe (1), and the plurality of groups of steel handles (2) are fixedly installed on the steel pipe; the steel handle is characterized by comprising a plurality of groups of alloy groups (3), wherein the alloy groups (3) of each group are respectively welded to the bottom end of each group of the steel handle (2) in an interval distribution manner, and the number of alloys of each group of the alloy groups (3) is five; and each group of alloy groups (3) is welded to the bottom end of each group of steel handles (2) in a centrosymmetric distribution manner.

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